Home / 180,976-420,360

Finding the Third Proportional to 180,976 and 420,360

Calculator

Solution

The third proportional to 180,976 and 420,360 is: 976,386.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,976 : 420,360 = 420,360 : x
  2. Step 2: Convert to fraction form
    180,976/420,360 = 420,360/x
  3. Step 3: Cross multiply
    180,976x = 420,360 × 420,360
  4. Step 4: Simplify right side
    180,976x = 176,702,529,600
  5. Step 5: Solve for x
    x = 176,702,529,600/180,976
  6. Step 6: Final answer
    x = 976,386.54

Related Problems

Find third proportional to 90,488 and 210,180
Half scale
Find third proportional to 361,952 and 840,720
Double scale
Find third proportional to 180,978 and 420,365
Similar ratio
Find third proportional to 271,464 and 630,540
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.